The PR-2000OH inverter resistance spot welding system with ceiling mounting system. Powerful 3 phase spot welder utilizing the new inverter technology to produce higher quality and faster repair jobs. The pre-programmed weld modes automatically select the proper weld current and weld time. The digital display lists the selected program. The Extension Arm System allows access to hard to reach areas. Package includes an overhead installation system. The welder hangs from a track system that can cover up to 14 bays.